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// Copyright 2007 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview A toggle button control. Extends {@link goog.ui.Button} by
* providing checkbox-like semantics.
*
* @author attila@google.com (Attila Bodis)
*/
goog.provide('goog.ui.ToggleButton');
goog.require('goog.ui.Button');
goog.require('goog.ui.Component.State');
goog.require('goog.ui.ControlContent');
goog.require('goog.ui.CustomButtonRenderer');
goog.require('goog.ui.registry');
/**
* A toggle button, with checkbox-like semantics. Rendered using
* {@link goog.ui.CustomButtonRenderer} by default, though any
* {@link goog.ui.ButtonRenderer} would work.
*
* @param {goog.ui.ControlContent} content Text caption or existing DOM
* structure to display as the button's caption.
* @param {goog.ui.ButtonRenderer=} opt_renderer Renderer used to render or
* decorate the button; defaults to {@link goog.ui.CustomButtonRenderer}.
* @param {goog.dom.DomHelper=} opt_domHelper Optional DOM hepler, used for
* document interaction.
* @constructor
* @extends {goog.ui.Button}
*/
goog.ui.ToggleButton = function(content, opt_renderer, opt_domHelper) {
goog.ui.Button.call(this, content, opt_renderer ||
goog.ui.CustomButtonRenderer.getInstance(), opt_domHelper);
this.setSupportedState(goog.ui.Component.State.CHECKED, true);
};
goog.inherits(goog.ui.ToggleButton, goog.ui.Button);
// Register a decorator factory function for goog.ui.ToggleButtons.
goog.ui.registry.setDecoratorByClassName(
goog.getCssName('goog-toggle-button'), function() {
// ToggleButton defaults to using CustomButtonRenderer.
return new goog.ui.ToggleButton(null);
});
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